<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
               <form action="/step2_homework3/loginServlet" method="post">
                   账号：<input type="text" name="username" value=""/> <br/>
                   密码：<input type="password" name="password" value=""/> <br/>
                   <input type="submit" value="登录"/>

               </form>
</body>
</html>